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How does the lightbulb work?
In a lightbulb at the very tip is a thin wire made of a material called tungsten when electricity passes through it, it heats up and glows white hot, however if it is in contact with oxygen it will...
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How does a lightbulb work?
When electricity passes through a filament (the curly bit of wire in a light bulb) it takes more effort to go through because it's so thin, so it glows.
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How do lightbulbs work?
An electric current passes through a thin filament, heating it until it produces light. The enclosing glass bulb prevents the oxygen in air from reaching the hot filament, which otherwise would be...
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How does a tradtional lightbulb and a energy saving lightbulb both work?
well, i asked this question, realized the answer stunk, and just said hey! I tell theese people to go on wikipedia!
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Did the lightbulb first work?
yes it worked the exact same way it does now.